Bottle closure



Nov. 26, 1929. F. H. SILVERTHORNE 1,737,273

I 4 BOTTLE CLOSURE Filed 1% 17, 1927 20 {9 {a 6 I i V //Vl/E/VTOR FRANK HODGEKINS SILVERTHORNE wmjmzzw A TTOR/VEV Patented Nov. 26, 1929 UNITED S ATES PATENT oFFIcE FRANK HObG-EKINS SILVEBTHORNE, OF NEW YORK, N. 'Y., T0 SCRIPTEX INK do PASTE (10.,

SYLVA'N'IA OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF PENN- no'r'rnn CLOSURE Application filed May 17, 1927. Serial No. 192,152.

The invention relates to a bottle closure of the pour-out type des' ned to be secured to a bottle and the inventlon is specifically designed to constitute the closure for an ink bottle.

The primary object of the invention is to provide a simple form of closure which will provide a hermetically tight sealing of the bottle and which will permit the pouring of a uniform gentle stream from the bottle and which features the minimizing of drip formations when the bottle is restored to its normal upright position.

Various other objects and advantages of the invention will be in part obvious from an inspection of the accompanying drawings and in part will be more fully set forth in the following particular description of one form of mechanism embodying my invention, and the invention also consists in certain new and novel features of construction and combination of parts hereinafter set forth and claimed.

In the accompanying drawing:

Fig. 1 is a view in side elevation of the upper portion of a bottle provided with a closure constituting a preferred embodiment of the invention and with parts of the securing ferrule shown in section and with the closing cap omitted;

Fig. 2 is an enlarged View shown partly in section of the closure shown in Fig. 1 and illustrated with the closing cap in position and Fig. 3 is a plan view looking into the closing cap shown in section in Fig. 2 and after the cap has previously been inserted in its closed position. a

In the drawing 'there is shown an ink bottle 10 provided with a threaded neck 11 and on which is positioned the closure 12 particularly constituting the subject matter of this disclosure. Interposed between the do sure 12 and the top of the bottle is a gasket 13 and a metal ferrule 14 engages the closure 12 and acts conventionally to secure the closure to the bottle.

The closure 12 is formed of hard rubber, or similar moldable composition and includes a flat disc shaped body portion 15 and a cylindrical nozzle 16, the axis of which extends at an angle of about 45 degrees to the plane of the body portion 15. The outer end of the nozzle 16 terminates in a flat face 17 and the periphery of the cylinder has threads 18 integrally molded therewith. Projecting beyond the fiat end 17 are two frusto-conical teats 19 and 20, one positioned above the other, the closure is provided with two passageways, one of which, 21 extends through the closure and through the teat 19 to form a liquid discharging or pouring passageway. the other passageway 22 is of relatively smaller diameter than the passageway 21 and likewise extends through the closure and through the teat 20 to form an air inlet passageway. The outer edges of the teats and particularly the outer edge of the teat 19 forms a sharp pouring edge 23 which facilitates the discharge of the ink or other liquid-contents of the bottle and tends to minimize the formation of drips at this point when the bottle is restored to its upright position shown in Fig. 1. The nozzle is closed by means of a metal screw cap 24, the sides of which are pressed to form threads 25 adapted to engage the composition threads 18 on the nozzle as particularly shown in Fig. 2. Fitted within the cap and engaging the bottom 26 thereof is a compressible-liner or washer 27 preferably formed of a thin disc of cork. The inner face 28 of this cork washer is coated with a thin layer of paraffin.

In forming the, closure care is exercised to eliminate the formation of any die seams or other projections on the flat face 17. or on the teats. Constructions of the type illustrated are commonly formed of two-part dies which form a seam along opposite edges, such as along the edge 29. In known structures this seam extends across the outer end of the nozzle and expense and labor is necessary. in order to scrape the seamsmooth and thus avoid the formation of irregularities in surface contour and which irregularities tend to form drips. In the manufacture of the device illustrated the adjacent ends of the twoparts ofthe die are formed smooth and contain the a ertures which form the teats. In this way t e seam extends along the edge 29 up to the point 30 but no die seam extends across the end 17 or across the teats. This leaves the end 17 and teats with asmooth die finish free of die seams. When the cap is first screwed on to the nozzle a thin film of parafiin will adhere to the outer edges of the teats and this thin layer of parafiin has a tendency to prevent the adherence of li uid to the nozzle when the bottle is restore its normal upright position. The cork disc has a frictionally tight fitimthe cap but during the final movement of screwin the slight movement of the metal cap relative to the washer in effecting its final fractional turn compressing the part of the washer engaged by the teats as the cap is moved into its final closed position.

The nozzle is opened simply by reversing the direction of rotation of cap and when released the cork washer is carried ofi with the cap. When the cap is again screwed into position the previously formed recesses will tend to seat themselves over, the teats as the cap is rotated into its finally closed position. In use the recesses will ten to become more pronounced and an effective seal is provided whenever the cap is rotated into position.

Having thus described my invention, I claim 1. A bottle closure comprising a flat body portion provided with a cylindrical pouring nozzle'with its axis inclined to the lane of the body portion, and terminating in a flat end, a pair of frusto-conical teats projecting from said flat end and with their reduced ends exposed, a pair of passageways extending through the nozzle and extending axially through said teats, and a cap in threaded engagement with the nozzle and provided with a compressible washer. and adapted to have the outer reduced ends of the teats embedded therein as the cap is forced toward its final closing position sealing the outer ends of the passa eways.

2. bottle closure comprising a nozzle having a teat projecting from one end terminating in a sharp pouring edge, and provided,

with a passageway extending therethrough the cap is screwed into position, said washer coated on its outer side with a film of paraflin adapted to leave a film on the ex osed-end of the teat when thecap is remove 4. A bottle closure comprising a nozzle havin a teatprojecting from one end, and provided with a passageway extending therethrough and through the teat, and a cap in threaded engagement with the nozzle and provided'with a compressible washer adapted to have the teat pressed into the same as the cap is screwed into position, said washer .having a frictional engagement with the cap of rotating in the capwhen the frictional resistance is overcome and provided'on its outer face with a. pair of depressions fitting the teats when the cap is in closing position. 6. A screw threaded bottle closure having a teat projecting beyond the outer end thereof and provided with a passageway extending therethrough, a cap for said closure having threaded engagement therewith for adjusting said cap to closing position, and a compressible washer frictionally held in said cap and rotatable relative thereto by engagement with said teat, as said cap is adjusted to its closing position. 7. A bottle closure havin teats projectin beyond the outer end sur ace thereof an 4 having passageways extending therethrough, a cap for said closure rotatable relative thereto when being adjusted to closing position, and a washer in said cap and having depressions therein for receiving the other extremities of said teats, said washer being rotatable relative to said cap by engagement of said teats therewith as the cap approaches its full closing position.

Signed at New York, in the county of New York and State of New York, this 13th day of May, A. D. 1927. I

FRANK HODGEKINS SILVERTHORNE.

and through the teat, and a cap in threaded engagement with the nozzle and rovided with a compressible washer adapte to have sharp pouring edge of the teat pressed into the same as the cap is screwed into position.

3. A bottle closure comprising a nozzle havin a teat projecting from one end; and provi ed with a passageway extending therethrou h and through the teat, and a cap in threa ed en agement with the nozzle and provided wit a compressible washer adapted to have the teat pressed into the same as 

